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Date:   Fri, 19 Nov 2021 11:50:15 +0000
To:     Kees Cook <>
Subject: Re: [PATCH] bnx2x: Use struct_group() for memcpy() region


This patch was applied to netdev/net-next.git (master)
by David S. Miller <>:

On Thu, 18 Nov 2021 10:42:53 -0800 you wrote:
> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memcpy(), memmove(), and memset(), avoid
> intentionally writing across neighboring fields.
> Use struct_group() in struct nig_stats around members egress_mac_pkt0_lo,
> egress_mac_pkt0_hi, egress_mac_pkt1_lo, and egress_mac_pkt1_hi (and the
> respective members in struct bnx2x_eth_stats), so they can be referenced
> together. This will allow memcpy() and sizeof() to more easily reason
> about sizes, improve readability, and avoid future warnings about writing
> beyond the end of struct bnx2x_eth_stats's rx_stat_ifhcinbadoctets_hi.
> [...]

Here is the summary with links:
  - bnx2x: Use struct_group() for memcpy() region

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